package com.ry.service;

import java.util.List;

import org.springframework.data.mongodb.repository.MongoRepository;

import com.ry.bean.OldData;

public interface IOldDataService extends MongoRepository<OldData, Long> {

//	https://blog.csdn.net/weixin_39214304/article/details/84791953
//	https://blog.csdn.net/weixin_43935907/article/details/86568387
	
	List<OldData> findByTopic(String topic);
	
	
}
